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DAI Perspective, Edition 45: High Performance Routers and Multiservice Switches for Public Networks

Dittberner Associates
March 1, 2002
820 Pages - SKU: BCEQ1136705

Abstract Table of Contents Related Reports

This study is a comprehensive 825-page report focusing on the technology and market forecast of high performance routers and multiservice switches. The report includes a detailed technical description of the currently available ATM / IP / MPLS routers and switches, along with cost-based price forecast for these products through the year 2008. Other topics covered in this study include:

Major market trends affecting carrier network architectures
Advanced broadband services networks and high-speed broadband access technologies
Internet traffic forecast
Carrier core and mid-range router / multiservice WAN switch market analysis and forecast
Major market drivers of ATM / IP/ MPLS technology
Short-term / long-term growth forecast of ATM, IP, and MPLS in public networks
Architecture trends of the IP / ATM backbone
Trends in high performance packet switching technology
Comparative evaluation of high performance ATM / IP / MPLS switches and routers currently available
Conclusions and recommendations for each type of Service Provider and for equipment vendors

In addition, the report provides case studies of twenty early adapters’ experience with ATM / IP /MPLS high performance switches and routers, as well as an extensive installed base and on order analyses of all public telecom carriers worldwide employing these equipment, sorted by country, operator, vendor, switch or router model, application, and number of units installed and on order.

BENEFITS FOR TELECOM SERVICE PROVIDERS

AVOID COSTLY MISTAKES
With 20 Case Studies - Learn
- Problems Encountered - Benefits Achieved

PLAN MOST EFFECTIVE STRATEGY FOR NETWORK ARCHITECTURE AND CONFIGURATION
With Detailed Technology Forecasts - Learn
- Future Evolution & How to Plan for It

EASILY & QUICKLY EVALUATE & COMPARE ALL WORLD-CLASS VENDORS’ PRODUCTS
- Objective and Unbiased review of Products
- Understand which vendors have success
- Easy to read & compare tech spec for all products

PREPARE ACCURATE BUDGET PROJECTIONS
With Detailed Cost Based Price Forecasts

EXPLOIT THE EXPERIENCE & EXPERTISE OF OUR 35 YEARS EXPERIENCE AS LEADING CONSULTANTS TO THE INDUSTRY!

UNDERSTAND & MEET MARKET DEMAND
With DAI’s Internet Traffic and Market Forecasts, Know Future Needs of Customers

BENEFITS FOR ROUTER/SWITCH VENDORS

UNPARALLELED MARKET FORECASTS & ANALYSIS
Obtain Objective Forecasts on
Pricing, Market and Market Shares, as well as
Switch / Router Technology Evolution.

UNDERSTAND USERS EXPERIENCE
Learn How Carriers have Evaluated Their
High-Performance Switch / Router Experience To-Date.

IDENTIFY POTENTIAL PROSPECTS & MARKETS
With the Installed Base — Learn Who has
Switches / Routers that are Susceptible to Replacement Soon.

IDENTIFY BUYERS’ MOTIVATIONS
High-End Routers
Mid- Range Routers
Multi-Service WAN Switches
Learn Who is Really Buying These Products & Why

UNDERSTAND, EVALUATE & COMPARE COMPETITORS
With Easy-to-Read and Compare Format
DAI Detailed Technical Specifications

TERABIT SERVICES & EVOLUTION

Major Market Trends Affecting Network Architecture

Internet
Data Traffic
New Platforms

Overview Advanced Broadband Services Networks

Backbone Networks .Local Loop
Edge Networks .ISP Networks

HIGH SPEED BROADBAND ACCESS TECHNOLOGIES

xDSL
Cable
Fixed Wireless
Satellite
FTTx
Gigabit Ethernet

Each of the above follows this format:

BANDWIDTH HUNGRY APPLICATIONS - DESCRIPTION

Content Distribution Approaches
Web & Application Hosting
Streaming Media
Storage Area Networking
VPN

ATM /IP/ MPLS TECHNOLOGY TRENDS

Traditional Routing and Packet Switching
Major Market Drivers
Standards Groups
Short Term & Long Term Growth Forecast

IP/ ATM BACKBONE ARCHITECTURE TRENDS

Management Problems with Self Routing
QoS & Traffic Engineering Needs
Transport Approaches
- SONET
- ATM
- IP
Routers vs. Switches in the IP Backbone
Forecasts of Network Architecture

TRENDS IN HIGH PERFORMANCE PACKET SWITCHING TECHNOLOGY

ATM Switches
IP Routers
Potential Impact of Optical Switching Technology on ATM Switches & Routers
MPLS, MPOA & Related Schemes
Status & Trends Gigabit Ethernet Transport & Switching
Comparing MPLS with MPOA

MARKET FORECAST & CURRENT TERABIT MARKET

INTERNET TRAFFIC FORECAST

Based on peak hr. avg. bandwidth application for:
- USA
- Rest of the World
Based on Dr. Robert’s Growth Prediction
Internet Backbone traffic capacity
Internet core revenues
OC- 192 Interfaces shipped

HIGH-END ROUTER FORECAST

Current market analysis by vendor
World Market Forecast by units and US$ to 2008

MID-RANGE ROUTER FORECAST

Current market analysis by vendor
World Market Forecast by units and US$ to 2008

MULTI-SERVICE WAN SWITCH ROUTER FORECAST

Current market analysis by vendor
Market Forecast by units and $dollars to 2008

PRICE FORECAST FOR BACKBONE PACKET SWITCHES & ROUTERS
Cost Based Price Forecasts for:

Port Modules for AMT Switches & IP Routers
Common Control Subsystem
Switches:
- Small ATM Backbone Switch
- Large ATM Backbone Switch
- ATM Edge Switch
Routers:
- Small Backbone router
- Large Backbone Router
- Edge Router
Typical Switching Network

INSTALLED BASE OF ROUTERS & SWITCHES
Installed base and on order status for

Every country of the world
High Performance Routers
ATM/ IP/ MPLS Switches

Installed base Sorted by:

Country
Region
Operator
Vendor

TELECOM OPERATOR USER PLANS & EXPERIENCE
20 Case Studies from around the world - Each Includes:

Company Profile
Systems & Suppliers Utilized
- Supplier & Product Description
- Network Architecture
- Comparison to Previous Method
- Anticipated Benefits/ Payback Periods
Implementation Problems Encountered
Benefits Achieved
Advice to Others & Lessons Learned

PRODUCT OFFERINGS & TECHNICAL SPECIFICATIONS FOR ROUTERS & SWITCHES
33 Product Offerings from 24 Vendors - Including

Company Profile
Product Overview and Pricing
System component Description
Technical Speciation in a common format

COMPARATIVE EVALUATION OF ATM/ IP/ MPLS SWITCHES & ROUTERS
Easy to Read and Compare Charts of:

High- End Routers
Mid- Range Routers
Multi- Service WAN Switches

CONCLUSIONS & RECOMMENDATIONS

Global Conclusions
Technical Summary and Conclusions
Action Recommendations for:
- Global
- Vendors
- Telecom Service Providers (5 Major Classes)

EXECUTIVE SUMMARY

A. INTRODUCTION TO EDITION 45

B. ORGANIZATION AND SCOPE OF REPORT

C. PLANS FOR FUTURE UPDATES IN THE DAI PERSPECTIVE SERIES

D. EXECUTIVE SUMMARY

1. TERABIT SERVICES & SERVICE EVOLUTION

A. MAJOR MARKET TRENDS AFFECTING CARRIER NETWORK ARCHITECTURES

1) Internet Growth

2) Data Traffic Explosion

3) Today’s IP Networks

4) Introduction of New More Powerful Network Platforms

B. OVERVIEW OF ADVANCED BROADBAND SERVICES NETWORKS

1) Backbone Networks

2) Edge Networks

3) PoPs

4) Last Mile (or Local Loop)

5) ISP Networks

C. HIGH-SPEED BROADBAND ACCESS TECHNOLOGIES

1) xDSL

2) Cable

3) Advantages and Disadvantages of DSL and Cable Modems

4) Fixed Wireless

5) Satellite

6) FTTx (X being Cabinet, Building, Business, Home or Curb)

7) Gigabit Ethernet

D. BANDWIDTH HUNGRY APPLICATIONS

1) Content Distribution Approaches

2) Streaming Media

3) Web Hosting / Application Hosting

4) Storage Area Networking

5) VPN

E. CONCLUSION

2. ADVANCED TERABIT MARKET AND FORECAST

A. MAJOR MARKET DRIVERS

1) Bandwidth Demand

2) Bandwidth Growth but No Constraints Seen Through 2010

B. INTERNET TRAFFIC FORECAST

1) Internet Traffic Forecast (Based on Peak-Hour Average Bandwidth per Application)

2) Internet Traffic Forecast (Based on Average Online Hold-Time Approach)

3) Internet Traffic Growth Forecast (Based on Dr. Roberts’ Internet Traffic Growth Prediction)

4) Outline of Forecast Results

C. CURRENT (YE2001) CARRIER SWITCH ROUTER MARKET ANALYSIS AND FORECAST

1) Sources Used in Our Analysis of Current High-End Router / Switch Markets

2) Rationale for Our Current Market Sizing

3) High-End Router Carrier Market Analysis (OC-192 and OC-48 Capable)

4) Mid-Range Router Carrier Market Analysis and Forecast (OC-12 and Below)

5) Multiservice WAN Switch Router Carrier Market Analysis

D. DITTBERNER ASSOCIATES CONSENSUS FORECAST OF INTERNET TRAFFIC GROWTH AND TOTAL CARRIER SWITCH / ROUTER SPENDING

1) DAI Consensus Forecast of Worldwide Backbone Capacity in Tbps

2) DAI Consensus Forecast of Worldwide Carrier Core Router Market

3) DAI Forecast of Worldwide Carrier Mid-Range Router Market

4) DAI Consensus Forecast of Worldwide Multiservice WAN Carrier Switch Market

3. ATM / IP / MPLS TECHNOLOGY TRENDS

A. TRADITIONAL ROUTING AND PACKET SWITCHING

1) Router Evolution

2) Increased Throughput

3) The Concept of Virtual Routing

4) The Concept of Dynamic Virtual Routing

5) Packet Switching

B. MAJOR MARKET DRIVERS

1) ATM

2) ATM Switching

3) Typical ATM Applications

4) Benefits of ATM

5) ATM Classes of Service

6) Voice over ATM

7) Video over ATM

8) ATM Internetworking

9) ATM Market Penetration

10) IP

11) IP Switching / Routing

12) IP over SONET / SDH

13) IP over ATM

14) IP over SONET / SDH vs. IP over ATM

15) The Need for IPv6

16) Achieving QoS in IP Networks

17) MPLS

18) MPLS Functionality

19) MPLS Forwarding Process

20) MPLS Scalability

21) MPLS Traffic Engineering

22) Routing vs. MPLS

C. STANDARD GROUPS

1) ATM Standard Groups

2) IP Standard Groups

3) MPLS Standard Groups

D. SHORT-TERM / LONG-TERM GROWTH FORECAST

1) The Future of MPLS in Public Networks

2) MPLS Short-Term / Long-Term Forecast

3) The Future of ATM in Public Networks

4) The Future of IP in Public Networks

4. IP / ATM BACKBONE — ARCHITECTURE TRENDS

A. INTRODUCTION

1) Management Problems with Self Routing

B. ISSUES RELEVANT TO IP NETWORKS

1) QoS (Quality of Service) and Related Topics

2) The Need for Traffic Engineering

3) Conclusions Regarding Implementation of CoS / QoS and Traffic Engineering

C. TRANSPORT APPROACHES — SONET AND ATM

1) Introduction

2) SONET Basics

3) SONET Networks

4) Transporting ATM over SONET

D. TRANSPORT APPROACHES — IP

1) IP over ATM

2) Multi-Protocol Label Switching (MPLS)

3) IP over Optical Networks and its Likely Evolution

4) Trends in Optical Technology and the Architecture of Future Networks

E. ROUTERS VERSUS SWITCHES IN THE IP BACKBONE

1) The Issue

2) The Respective Merits of Routers and Switches

3) Combining Routing and Switching

4) Trends in Routing and Switching Hardware

F. FUTURE FORECAST OF NETWORK ARCHITECTURE

1) General

2) Using Fewer but Larger Switches / Routers and More Direct Routes

3) Consolidation of Sub-Networks will Reduce the Number of Hops per Connection

4) Switches / Routers Must Handle Multi-Terabit Traffic

5) A New Optical Infrastructure will Evolve

6) All-Optical Network will Use Rings Rather than Intermeshed Topology

7) Circuit Switching in the All-Optical Network — a Basis for Packet Transport?

8) Long-Distance Voice Transport will Migrate to Packet

9) No Universal Network will Emerge

10) Metropolitan Area Networks (MANs) will Develop Independently of the Packet Backbone System

G. CONCLUSIONS

5. TRENDS IN HIGH PERFORMANCE PACKET SWITCHING TECHNOLOGY

A. INTRODUCTION

B. ATM SWITCHES

1) General

2) ATM Port Modules

3) Port Modules for Non-ATM Services

4) Other Design Issues for Port Modules

5) Switching Fabrics — General

6) Time-Division Switching Fabrics

7) ATM Switching Elements of the Space-Division Type

8) Constructing a Large ATM Fabric from Multiple Switching Elements

9) Which Switch Fabric Types are Actually Used in Commercial Products?

10) Buffering Issues

11) Common Equipment

12) Trends in Basic Technologies for High Performance Packet Switches and Routers

13) Redundancy and Other Considerations for Carrier-Class Switches

14) Future Trends in Backbone ATM Switches

C. IP ROUTERS

1) General Architecture of High Performance Routers

2) Router Port Modules

3) Router Engine

4) The Switching Fabric

5) Common Equipment

D. POTENTIAL IMPACT OF OPTICAL SWITCHING TECHNOLOGY ON ATM SWITCHES AND ROUTERS

1) Introduction

2) Optical Cross-Points for Space-Division Switching

3) Optical Time-Division Switching

4) Optical Wavelength-Division Switching

5) Designing Real Optical Switches from These Components

E. MPLS, MPOA AND RELATED SCHEMES

1) General

2) Classical IP over ATM

3) LAN Emulation (LANE)

4) Multi-Protocol Over ATM (MPOA)

5) Multiple Protocol Label Switching (MPLS)

F. STATUS AND TRENDS IN GIGABIT ETHERNET TRANSPORT AND SWITCHING

1) General

2) Virtual LAN Services for Long-Haul LAN Interconnections

3) Recent Gigabit Ethernet Transport Trends

4) What is the Significance of 10 Gigabit Ethernet?

5) Likely Trends in 10 Gigabit Ethernet Switching

G. COMPARING MPLS WITH MPOA

1) General

2) MPLS Versus MPOA — The Most Important Properties

3) The Most Important Advantages and Disadvantages of MPLS

4) The Most Important Advantages and Disadvantages of MPOA

H. CONCLUSIONS

6. COST-BASED PRICE FORECAST FOR BACKBONE PACKET SWITCHES AND ROUTERS

A. GENERAL

B. COST OF PORT MODULES FOR ATM SWITCHES AND IP ROUTERS

1) Transmission Interfaces

2) Port Modules for ATM Switches

3) Cost of a Routing Engine

4) Port Modules for Routers

C. COST OF A TYPICAL SWITCHING NETWORK

D. COST OF A COMMON CONTROL SUBSYSTEM

E. LIFETIME R&D EXPENDITURES AND THEIR ALLOCATION

F. ASSUMPTIONS MADE FOR OUR COST

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